EP3931382B1 - Métier à filer à anneaux - Google Patents

Métier à filer à anneaux Download PDF

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Publication number
EP3931382B1
EP3931382B1 EP20712686.3A EP20712686A EP3931382B1 EP 3931382 B1 EP3931382 B1 EP 3931382B1 EP 20712686 A EP20712686 A EP 20712686A EP 3931382 B1 EP3931382 B1 EP 3931382B1
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EP
European Patent Office
Prior art keywords
spinning machine
spindles
machine according
ring spinning
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20712686.3A
Other languages
German (de)
English (en)
Other versions
EP3931382A1 (fr
Inventor
Rosario Assenza
Massimo Galli
Federico GRITTI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marzoli Machines Textile SRL
Original Assignee
Marzoli Machines Textile SRL
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Application filed by Marzoli Machines Textile SRL filed Critical Marzoli Machines Textile SRL
Publication of EP3931382A1 publication Critical patent/EP3931382A1/fr
Application granted granted Critical
Publication of EP3931382B1 publication Critical patent/EP3931382B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
    • D01H1/241—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles driven by belt

Definitions

  • the subject-matter of the present invention is a ring spinning machine of a spinning line, to obtain bobbins of yarn from spools of roving, usually originating from a roving frame.
  • a spinning machine is able to process spools of roving to obtain bobbins of yarn therefrom, after having drafted and twisted the roving.
  • the spinning machine consists of a gantry that extends along a longitudinal axis on which are hung the spools of roving, a drafting device placed beneath the gantry consisting of a set of cylinders having longitudinal extension between which the roving passes to be drafted, and a bank carrying the spindles in a row along the longitudinal axis, rotating about their vertical axes, on which the drafted and twisted yarn is wound.
  • the spindles are rotated about the vertical axis by a belt driving device, in which the belt is driven by an electric motor and engages spindles of the two banks.
  • a spindle drive system comprising a plurality of belts, each belt being driven by a single motor, is described in DE 10 2007 013897 A1 .
  • a spindle drive system comprising a belt driven by a plurality of motors is described in DE 10 2006 037074 A1 .
  • the object of the present invention is to construct a ring spinning machine that satisfies the requirements of the sector and overcomes the drawbacks mentioned above.
  • a spinning machine of a spinning line for the production of bobbins of yarn from spools of roving S is indicated collectively at 1.
  • the spinning machine 1 comprises a gantry 2 extending along a longitudinal axis X, from which the spools of roving S are hung at a predefined height.
  • the spinning machine 1 further comprises a drafting device 4 located below the gantry 2.
  • the drafting device 4 comprises lower longitudinal cylinders 6, generally three or four in number, motorized, longitudinally continuous or separated in juxtaposed sections, and a plurality of upper rollers 8, typically idle, coupled under pressure with the lower cylinders 6, to be driven by the latter to rotate.
  • Each upper roller 8 coupled to the lower cylinder 6 defines a spinning point; for each spinning point, a roving to be drafted passes between the upper roller 8 and the lower cylinder 6 due to the peripheral speed of the lower cylinders, which increases from upstream to downstream.
  • the spinning machine 1 Downstream of the drafting device 4, the spinning machine 1 further comprises a bank 10 carrying spindles 12, in a row along the longitudinal axis, rotating about their vertical axes, on which the drafted and twisted yarn is wound.
  • the spinning machine 1 further comprises a ring rail 14, with longitudinal extension, provided with alternating vertical motion, carrying rings 16 coaxial to the respective spindles 12, for winding the yarn on the tube.
  • the spinning machine 1 provides for a frame 18, preferably a single one, for supporting the main components, and in particular for supporting the drafting device 4, the bank 10, the ring rail 14.
  • the spinning machine 1 comprises two opposite banks 10A, 10B, along which are arranged respective spindles 12A, 12B aligned longitudinally, between a head 20 of the spinning machine 1 and a tail 22 of the spinning machine 1.
  • the spindles 12A, 12B are divided into two or more subgroups, in an orderly way from the head 20 to the tail 22.
  • the reference 12A 11 identifies the first spindle of the first subgroup of the first bank
  • 12A ij identifies the i-th spindle of the j-th group of the first bank.
  • the spindles of corresponding subgroups of the first and second bank form a relative group.
  • the spindles 12A i1 of the first subgroup of the first bank 10A and the spindles 12B i1 of the first subgroup of the second bank 10B collectively make up the spindles (12A,12B) 1 of the first group of the spinning machine 1.
  • the spindles 12A ij of the j-th subgroup of the first bank 10A and the spindles 12B ij of the j-th subgroup of the second bank 10B collectively make up the spindles (12A,12B) j of the j-th group of the spinning machine 1.
  • the spinning machine 1 further comprises a driving device for each group of spindles (12A,12B) j , suitable to rotate the spindles of said group of spindles (12A,12B) j about their vertical axes.
  • Each driving device comprises a belt 30 j configured to drive the spindles (12A,12B) j of the j-th group of the spinning machine 1; said belt 30 j is arranged along a closed path, tangentially engaging all the spindles of the respective group of spindles (12A,12B) j .
  • Each driving device further comprises a plurality of electric motors for driving the respective belt.
  • said plurality of motors 40 qj comprises only one master motor with feedback, while the other motors are slaves and operatively connected in parallel to the master motor.
  • Each belt 30 j of one group of spindles (12A,12B) j is mechanically independent of the belt 30 j of another group of spindles (12A,12B) j .
  • the motors 40 qj of one group of spindles (12A,12B) j are mechanically independent of the motors of another group of spindles (12A,12B) j .
  • each driving device comprises a drive 50 j for electrically driving the motors 40 qj of the respective group of spindles.
  • the motors 40 qj of one group of spindles (12A,12B) j are electrically independent of the motors 40 qj of another group of spindles (12A,12B) j , being driven by their respective independent drives 50 j .
  • the spinning machine 1 comprises a control group 60, comprising a control panel usable by an employee to manage the operation of the entire spinning machine 1 and a single logic unit 62, for example a CPU or a PLC, for the control of the spinning machine 1.
  • a control group 60 comprising a control panel usable by an employee to manage the operation of the entire spinning machine 1 and a single logic unit 62, for example a CPU or a PLC, for the control of the spinning machine 1.
  • the spinning machine 1 further comprises drafting control means, operatively connected to the drafting devices, for the logic control of the drafting devices.
  • the spinning machine 1 comprises spindle control means, operatively connected to the drives 50 j , for the logic control of the motors 40 qj of each group of spindles (12A,12B) j .
  • the spinning machine 1 comprises rail control means for the logic control of the ring rails 14 of the entire spinning machine 1.
  • Said drafting control means, spindle control means and rail control means are operatively linked to the logic unit 62 of the control group 60.
  • the spinning machine according to the present invention overcomes the drawbacks mentioned in reference to the prior art.
  • the Applicant has found that it is possible to maintain excellent synchronization between the electric motors, at least in part due to the low wear to which the individual belts are subjected.
  • providing for a plurality of belts, and therefore a plurality of groups of spindles allows the number of motors engaged with the same belt to be reduced; this allows the power supply of all the motors of the group of spindles, i.e. the master motor and the slave motors in parallel with the master motor, to be maintained substantially at the same voltage.
  • the master/slave system allows for the distribution of electrical power between the motors of the group, while the belt ensures the synchronization of the motors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Saccharide Compounds (AREA)
  • Furan Compounds (AREA)

Claims (11)

  1. Métier à filer (1) à anneaux pour une ligne de filature, approprié pour traiter des bobinots de mèche (S) pour la production de bobines de fil, ayant une extension principalement le long d'un axe longitudinal (X), entre une tête (20) et une queue (22), comprenant :
    - une première pluralité de broches (12Aij) alignées le long d'un premier cantre (10A) du métier à filer et une seconde pluralité de broches (12Bij) alignées le long d'un second cantre (10B) du métier à filer, à l'opposé du premier, dans lequel lesdites broches (12Aij, 12Bij) sont assemblées dans des groupes de broches ((12A, 12B)j) contenant des broches (12Aij) du premier cantre (20) et des broches (12Bij) du second cantre (22) ;
    - une pluralité de courroies (30j), dans lequel chaque courroie (30j) met en prise toutes les broches d'un groupe de broches ((12A, 12B)j) prédéfini, lesdites courroies (30j) étant indépendantes mécaniquement les unes des autres ;
    - une pluralité de dispositifs d'entraînement, chaque dispositif d'entraînement étant responsable de l'entraînement de la courroie (30j) d'un groupe de broches ((12A, 12B)j) prédéfini ;
    - caractérisé en ce que chaque dispositif d'entraînement comprend une pluralité de moteurs (40qj) électriques, reliés fonctionnellement à la courroie (30j) respective pour l'entraîner ;
    - et en ce que pour chaque groupe de broches ((12A, 12B)j), ladite pluralité de moteurs (40qj) comprend uniquement un moteur maître avec un retour et des moteurs esclaves reliés fonctionnellement en parallèle au moteur maître.
  2. Métier à filer selon la revendication 1, comprenant un groupe de commande (60) comprenant une seule unité logique (62) pour commander le métier à filer (1) entier.
  3. Métier à filer selon la revendication 2, dans lequel le groupe de commande (60) comprend un panneau de commande qui est utilisable par un employé pour commander le fonctionnement du métier à filer entier.
  4. Métier à filer selon l'une quelconque des revendications précédentes, comprenant
    - une pluralité d'entraînements (50j) électriques, chaque entraînement (50j) étant configuré pour le fonctionnement électrique de la pluralité de moteurs (40qj) d'un groupe de broches ((12A, 12B)j) prédéfini.
  5. Métier à filer selon la revendication 4, dans lequel lesdits entraînements (50j) sont indépendants électriquement les uns des autres.
  6. Métier à filer selon la revendication 4 ou 5, comprenant des moyens de commande de broches, reliés fonctionnellement aux entraînements (50j), pour la commande logique de la pluralité de moteurs (40qj) de chaque groupe de broches ((12A, 12B)j).
  7. Métier à filer selon la revendication 6, lorsqu'elle dépend de la revendication 2, dans lequel les moyens de commande de broches sont reliés fonctionnellement à l'unité logique (62).
  8. Métier à filer selon l'une quelconque des revendications précédentes, comprenant un dispositif d'étirage (4) pour chaque cantre (10A, 10B) et des moyens de commande d'étirage, reliés fonctionnellement aux dispositifs d'étirage, pour la commande logique des dispositifs d'étirage.
  9. Métier à filer selon la revendication 8, lorsqu'elle dépend de la revendication 2, dans lequel les moyens de commande d'étirage sont reliés fonctionnellement à l'unité logique (62).
  10. Métier à filer selon l'une quelconque des revendications précédentes, comprenant une plate-bande (14) pour chaque cantre (10A, 10B) et des moyens de commande de plates-bandes pour la commande logique des plates-bandes (14) pour le métier à filer (1) entier.
  11. Métier à filer selon la revendication 10, lorsqu'elle dépend de la revendication 2, dans lequel les moyens de commande de plates-bandes sont reliés fonctionnellement à l'unité logique (62).
EP20712686.3A 2019-02-25 2020-02-25 Métier à filer à anneaux Active EP3931382B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102019000002661A IT201900002661A1 (it) 2019-02-25 2019-02-25 Filatoio ad anelli
PCT/IB2020/051583 WO2020174380A1 (fr) 2019-02-25 2020-02-25 Métier à filer à anneaux

Publications (2)

Publication Number Publication Date
EP3931382A1 EP3931382A1 (fr) 2022-01-05
EP3931382B1 true EP3931382B1 (fr) 2023-03-01

Family

ID=66641271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20712686.3A Active EP3931382B1 (fr) 2019-02-25 2020-02-25 Métier à filer à anneaux

Country Status (5)

Country Link
EP (1) EP3931382B1 (fr)
JP (1) JP7389811B2 (fr)
CN (1) CN113423881B (fr)
IT (1) IT201900002661A1 (fr)
WO (1) WO2020174380A1 (fr)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE39260C (de) F. D. NEWTON in Queens, Staat New-York, V. St. A Verfahren zum Entfernen der glänzenden Rinde von spanischem Rohr
FR1198101A (fr) * 1958-04-25 1959-12-04 Alsacienne Constr Meca Perfectionnements aux continus à filer
JPS6385124A (ja) * 1986-09-25 1988-04-15 Toyota Autom Loom Works Ltd 紡機のスピンドル駆動制御装置
DE3802200A1 (de) * 1988-01-26 1989-08-03 Zinser Textilmaschinen Gmbh Maschine zum herstellen gedrehter oder gezwirnter faeden
US4944144A (en) 1989-05-17 1990-07-31 Kabushiki Kaisha Ishikawa Seisakusho, Ltd. Spindle driving device of covering machine
IT1229408B (it) 1989-06-01 1991-08-08 Marzoli & C Spa Apparato per il comando dei fusi, mediante frizione tangenziale, su filatoi ad anelli, suscettibile di bloccaggio in fase di levata delle spole.
DE19501626C1 (de) 1995-01-20 1996-05-23 Zinser Textilmaschinen Gmbh Ringspinnmaschine mit durch mindestens einen Tangentialriemen angetriebenen Spindeln
DE19821251A1 (de) * 1998-05-12 1999-11-18 Csm Gmbh Verfahren zum Betrieb einer Spinnmaschine
DE102006037074A1 (de) * 2006-08-07 2008-02-21 Oerlikon Textile Gmbh & Co. Kg Gemeinsame Speisung mehrerer Synchronmotoren durch nur einen Frequenzumrichter
DE102007013897A1 (de) * 2007-03-20 2008-09-25 Oerlikon Textile Gmbh & Co. Kg Antriebsvorrichtung für die Spindeln einer Ringspinnmaschine
DE102008053751A1 (de) * 2008-10-29 2010-05-06 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zur maschinellen Herstellung von ringgesponnenem Garn aus Fasermaterial
DE102015013618A1 (de) * 2015-10-20 2017-04-20 Saurer Germany Gmbh & Co. Kg Spinn- oder Zwirnmaschine mit hubbewegbarer Spindelbank
DE102017114792A1 (de) * 2017-07-03 2019-01-03 Saurer Spinning Solutions Gmbh & Co. Kg Ringspinnmaschine mit einer Vielzahl von Spinnstellen
CN207672188U (zh) * 2017-10-18 2018-07-31 东台远欣机械有限公司 一种捻线机用底层纱锭驱动结构
CN208485992U (zh) * 2018-07-10 2019-02-12 常州宏大智能装备产业发展研究院有限公司 环锭细纱机锭子转速在线测控装置

Also Published As

Publication number Publication date
CN113423881A (zh) 2021-09-21
EP3931382A1 (fr) 2022-01-05
JP7389811B2 (ja) 2023-11-30
IT201900002661A1 (it) 2020-08-25
CN113423881B (zh) 2023-05-16
JP2022521347A (ja) 2022-04-06
WO2020174380A1 (fr) 2020-09-03

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